Home / 253,227.42-349,561.44-157,781.27

Finding the Fourth Proportional to 253,227.42, 349,561.44 and 157,781.27

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Solution

The fourth proportional to 253,227.42, 349,561.44 and 157,781.27 is: 217,805.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    253,227.42 : 349,561.44 = 157,781.27 : x
  2. Step 2: Convert to fraction form
    253,227.42/349,561.44 = 157,781.27/x
  3. Step 3: Cross multiply
    253,227.42x = 349,561.44 × 157,781.27
  4. Step 4: Simplify right side
    253,227.42x = 55,154,248,820.13
  5. Step 5: Solve for x
    x = 55,154,248,820.13/253,227.42
  6. Step 6: Final answer
    x = 217,805.20

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.